/* ======= Modern Header & Navigation ======= */

header {
    display: block;
    position: fixed;
    top: 0;
    left: 0;
    width: 100vw;
    z-index: 1000;
    transition: all var(--transition-normal);
}

.flex-row-md {
    display: flex;
    flex-wrap: wrap;
    align-items: center;
}

#linkbar {
    height: 2.5rem;
    transition: height var(--transition-normal), padding var(--transition-normal), opacity var(--transition-normal);
    background-color: var(--custom1-color) !important;
    box-shadow: var(--shadow-sm);
    display: flex;
    align-items: center;
}

#linkbar.show {
    height: 0;
    padding: 0;
    opacity: 0;
    overflow: hidden;
}

#navbar {
    min-height: 4.75rem;
    height: auto;
    padding: 0.6rem 0;
    transition: min-height var(--transition-normal), padding var(--transition-normal), background-color var(--transition-normal), box-shadow var(--transition-normal), backdrop-filter var(--transition-normal);
    display: flex;
    align-items: center;
    background-color: var(--bg-glass-navbar) !important;
    backdrop-filter: blur(16px);
    -webkit-backdrop-filter: blur(16px);
    border-bottom: 1px solid var(--border-color);
}

#navbar.sticky {
    min-height: 3.75rem;
    padding: 0.35rem 0;
    box-shadow: var(--shadow-md);
}

/* Brand Logo */
nav .navbar-brand {
    padding: 0;
    margin-right: 1.5rem;
    display: flex;
    align-items: center;
    cursor: pointer;
    transition: transform var(--transition-fast);
}

nav .navbar-brand:hover {
    transform: scale(1.04);
}

nav .navbar-brand img {
    max-height: 3.5rem;
    max-width: 4rem;
    width: auto;
    border-radius: var(--radius-md);
    transition: max-height var(--transition-normal), border-radius var(--transition-normal);
    box-shadow: var(--shadow-sm);
    object-fit: contain;
}

nav.sticky .navbar-brand img {
    max-height: 2.75rem;
}

.icon {
    width: auto;
    height: auto;
    border: none !important;
}

/* Nav Links */
.navbar-nav {
    display: flex;
    flex-direction: row;
    flex-wrap: wrap;
    align-items: center;
    justify-content: flex-end;
    gap: 0.35rem;
    margin-bottom: 0;
    list-style: none;
    padding-left: 0;
}

.navbar-nav .nav-item {
    margin: 0;
}

.navbar-nav .nav-link {
    font-family: "OpenSans-Semibold", sans-serif;
    font-weight: 600;
    font-size: 0.875rem;
    padding: 0.4rem 0.85rem !important;
    border-radius: var(--radius-pill);
    color: var(--text-light) !important;
    transition: all 0.35s cubic-bezier(0.4, 0, 0.2, 1);
    cursor: pointer;
    text-decoration: none !important;
    display: inline-flex;
    align-items: center;
    white-space: nowrap;
}

.navbar-nav .nav-link:hover {
    color: var(--text-main) !important;
    background-color: var(--bg-hover) !important;
    transform: translateY(-1px);
}

.navbar-nav .nav-item.active .nav-link,
.navbar-nav .nav-link.active {
    color: var(--custom1-text-color) !important;
    background-color: var(--custom1-color) !important;
    box-shadow: 0 2px 8px rgba(0, 0, 0, 0.14);
    transform: translateY(-1px);
}

/* Navbar top download app highlight button & micro-animation */
.navbar-top {
    padding: 0 1rem;
}

.nav-top.app {
    display: inline-flex;
    align-items: center;
    gap: 0.45rem;
    border: 1.5px solid rgba(255, 255, 255, 0.45);
    padding: 0.28rem 0.95rem;
    border-radius: var(--radius-pill);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.28) 0%, rgba(255, 255, 255, 0.12) 100%);
    color: var(--custom1-text-color) !important;
    font-size: 0.8125rem;
    font-family: "OpenSans-Semibold", sans-serif;
    font-weight: 600;
    cursor: pointer;
    backdrop-filter: blur(8px);
    -webkit-backdrop-filter: blur(8px);
    transition: transform var(--transition-fast), background var(--transition-fast), box-shadow var(--transition-fast);
    animation: appBtnPulse 3s infinite ease-in-out;
    position: relative;
    overflow: hidden;
}

.nav-top.app::before {
    content: "";
    position: absolute;
    top: 0;
    left: -100%;
    width: 60%;
    height: 100%;
    background: linear-gradient(90deg, transparent, rgba(255, 255, 255, 0.45), transparent);
    transform: skewX(-20deg);
    animation: appShimmerSweep 4.5s infinite ease-in-out;
    pointer-events: none;
}

.nav-top.app i {
    display: inline-block;
    animation: appPhoneWobble 3.5s infinite ease-in-out;
    transform-origin: bottom center;
}

.nav-top.app:hover {
    transform: translateY(-2px) scale(1.03);
    background: linear-gradient(135deg, rgba(255, 255, 255, 0.38) 0%, rgba(255, 255, 255, 0.2) 100%);
    box-shadow: 0 4px 14px rgba(0, 0, 0, 0.18), 0 0 12px rgba(255, 255, 255, 0.4);
    animation-play-state: paused;
}

.nav-top.app:hover i {
    animation-play-state: paused;
    transform: scale(1.15);
}

@keyframes appBtnPulse {

    0%,
    100% {
        box-shadow: 0 0 0 0 rgba(255, 255, 255, 0.45), 0 2px 6px rgba(0, 0, 0, 0.08);
        transform: scale(1);
    }

    50% {
        box-shadow: 0 0 0 5px rgba(255, 255, 255, 0), 0 3px 10px rgba(0, 0, 0, 0.14);
        transform: scale(1.025);
    }
}

@keyframes appShimmerSweep {

    0%,
    65% {
        left: -100%;
    }

    100% {
        left: 200%;
    }
}

@keyframes appPhoneWobble {

    0%,
    80%,
    100% {
        transform: rotate(0deg) scale(1);
    }

    84% {
        transform: rotate(-14deg) scale(1.1);
    }

    88% {
        transform: rotate(14deg) scale(1.1);
    }

    92% {
        transform: rotate(-8deg) scale(1.05);
    }

    96% {
        transform: rotate(8deg) scale(1.05);
    }
}

.navbar-nav.nav-links {
    flex-direction: row;
    align-items: center;
    margin-left: auto;
}

.navbar-nav.nav-links .nav-link {
    color: var(--custom1-text-color) !important;
    opacity: 0.85;
}

.navbar-nav.nav-links .nav-link:hover {
    opacity: 1;
    background: rgba(255, 255, 255, 0.2) !important;
}

/* Mobile Responsive */
@media (max-width: 767.98px) {
    #navbar {
        min-height: 4.25rem;
        padding: 0.4rem 0;
    }

    #navbar.sticky {
        min-height: 3.5rem;
    }

    .navbar-collapse {
        background-color: var(--bg-content);
        padding: 1rem;
        border-radius: var(--radius-xl);
        border: 1px solid var(--border-color);
        box-shadow: var(--shadow-xl);
        margin-top: 0.5rem;
    }

    .navbar-nav {
        flex-direction: column;
        align-items: stretch;
        gap: 0.35rem;
    }

    .navbar-nav .nav-link {
        text-align: center;
    }
}

/* ======= Theme Toggle Button & View Transitions (appdinx pattern) ======= */
.theme-toggle-btn {
    position: relative;
    width: 32px;
    height: 32px;
    border-radius: var(--radius-pill);
    border: 1px solid rgba(255, 255, 255, 0.35);
    background: rgba(255, 255, 255, 0.2);
    display: inline-flex;
    align-items: center;
    justify-content: center;
    cursor: pointer;
    padding: 0;
    transition: transform var(--transition-fast), background-color var(--transition-fast), border-color var(--transition-fast), box-shadow var(--transition-fast);
    box-shadow: var(--shadow-sm);
    color: var(--custom1-text-color) !important;
    backdrop-filter: blur(6px);
    -webkit-backdrop-filter: blur(6px);
    outline: none;
}

.pagedinx-dropdown {
    position: relative;
    display: inline-flex;
}

.dropdown-toggle.no-arrow::after {
    display: none !important;
}

.pagedinx-lang-menu {
    position: absolute;
    top: 100%;
    left: 0;
    z-index: 1050;
    display: none;
    border-radius: var(--radius-lg);
    background-color: var(--bg-content) !important;
    border: 1px solid var(--border-color) !important;
    box-shadow: var(--shadow-xl) !important;
    padding: 0.4rem !important;
    min-width: 140px;
    margin-top: 0.35rem !important;
}

.pagedinx-lang-menu.show {
    display: block !important;
    animation: pagedinxFadeInDown 0.15s ease-out;
}

@keyframes pagedinxFadeInDown {
    from {
        opacity: 0;
        transform: translateY(-6px);
    }

    to {
        opacity: 1;
        transform: translateY(0);
    }
}

.pagedinx-lang-menu .dropdown-item {
    color: var(--text-main) !important;
    border-radius: var(--radius-md);
    padding: 0.45rem 0.75rem;
    font-size: 0.9rem;
    font-weight: 500;
    transition: background-color var(--transition-fast), color var(--transition-fast);
}

.pagedinx-lang-menu .dropdown-item:hover {
    background-color: var(--bg-hover) !important;
    color: var(--text-main) !important;
}

.pagedinx-lang-menu .dropdown-item.active {
    background-color: var(--custom1-color) !important;
    color: var(--custom1-text-color) !important;
}

.theme-toggle-btn:hover {
    transform: translateY(-1px);
    background: rgba(255, 255, 255, 0.32);
    border-color: rgba(255, 255, 255, 0.5);
    box-shadow: var(--shadow-md);
}

.theme-icon-box {
    position: relative;
    width: 18px;
    height: 18px;
    display: flex;
    align-items: center;
    justify-content: center;
    pointer-events: none;
}

.theme-icon-box .moon-icon,
.theme-icon-box .sun-icon {
    position: absolute;
    font-size: 0.95rem;
    transition: transform 0.45s cubic-bezier(0.4, 0, 0.2, 1), opacity 0.35s ease, filter 0.2s ease;
    display: flex;
    align-items: center;
    justify-content: center;
}

.theme-icon-box .moon-icon {
    color: var(--custom1-text-color) !important;
    filter: drop-shadow(0 0 4px rgba(0, 0, 0, 0.25));
    transform: rotate(0deg) scale(1);
    opacity: 1;
}

.theme-icon-box .sun-icon {
    color: #f59e0b;
    filter: drop-shadow(0 0 6px rgba(245, 158, 11, 0.6));
    transform: rotate(90deg) scale(0.4);
    opacity: 0;
    pointer-events: none;
}

.theme-icon-box.is-dark .moon-icon,
[data-theme="dark"] .theme-icon-box .moon-icon {
    transform: rotate(-90deg) scale(0.4);
    opacity: 0;
    pointer-events: none;
}

.theme-icon-box.is-dark .sun-icon,
[data-theme="dark"] .theme-icon-box .sun-icon {
    transform: rotate(0deg) scale(1);
    opacity: 1;
    pointer-events: auto;
}

/* Theme Switch: Native View Transition Circular Reveal */
html.theme-transition-active,
html.theme-transition-active *:not(.theme-toggle-btn):not(.theme-toggle-btn *),
html.theme-transition-active *:not(.theme-toggle-btn):not(.theme-toggle-btn *)::before,
html.theme-transition-active *:not(.theme-toggle-btn):not(.theme-toggle-btn *)::after {
    transition: none !important;
}

html.theme-transition-active::view-transition-old(root),
html.theme-transition-active::view-transition-new(root) {
    animation: none !important;
    mix-blend-mode: normal !important;
}

html.theme-transition-active::view-transition-old(root) {
    z-index: 1 !important;
}

html.theme-transition-active::view-transition-new(root) {
    z-index: 999999 !important;
}

html.theme-transition-active .theme-toggle-btn {
    pointer-events: none !important;
    cursor: default !important;
}

/* Theme Switch: Geschmeidige CSS-Transition (Fallback & Basis) */
html.theme-transitioning,
html.theme-transitioning *,
html.theme-transitioning *::before,
html.theme-transitioning *::after {
    transition:
        background-color 0.35s cubic-bezier(0.4, 0, 0.2, 1),
        color 0.35s cubic-bezier(0.4, 0, 0.2, 1),
        border-color 0.35s cubic-bezier(0.4, 0, 0.2, 1),
        box-shadow 0.35s cubic-bezier(0.4, 0, 0.2, 1) !important;
}